2011 年 10 巻 2 号 p. 269-276
Recently portable digital music player and music player application become popular. With these items, we can store and play thousands of songs. But it is very difficult to choice the music that suits his preference and the situation by the time. In this research we propose the new User Interface to selecting the favorable music. With this User Interface, user can know the next music. And if user judged that he don't want play it, he can change it with other music from the several choices. Based on this approach, user can avoid from playing the unfavorable music, and can easily select the favorable one. As the result of evaluation, it was confirmed that our User Interface has intensified the user's satisfaction.